Article View: comp.sys.amiga.tech
Article #13857Re: resource tracking
From: Hamish Macdonald
Date: Fri, 23 Feb 1990 13:28
Date: Fri, 23 Feb 1990 13:28
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1884 bytes
>>>>> On 22 Feb 90 23:55:15 GMT, new@udel.edu (Darren New) said: Darren> In article <21183@watdragon.waterloo.edu> Darren> himacdonald@watdragon.waterloo.edu (Hamish Macdonald) writes: >Question: Does I/O to Exec devices HAVE to involve message passing? >Nowhere do >I see a 'serial.device' task (or anything remotely interpretable as >such) running. Darren> Well, when I use XOper to look at the ports list, I see a serial.device Darren> message port generating a software interrupt into a serial.device task. Darren> It seems to me that if you can do asynchronous calls (like post a read Darren> and then write or wait for a timeout or ...) then you must be using Darren> messages. -- Darren Fair enough. I wanted to try XOper as well, but couldn't find it anywhere on my friend's hard disk. Odd that 'who' didn't pick up that task. Perhaps it only lists processes. Hamish. -- -------------------------------------------------------------------- watmath!watdragon!himacdonald himacdonald@watdragon.waterloo.edu "Guns seldom solve any problems; they merely decide whose will shall prevail for the time being." - Brian Jarvis
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watserv1!watdragon!himacdonald From: himacdonald@watdragon.waterloo.edu (Hamish Macdonald) Newsgroups: comp.sys.amiga.tech Subject: Re: resource tracking Message-ID: <21205@watdragon.waterloo.edu> Date: 23 Feb 90 13:28:43 GMT References: <355.25C92297@weyr.FIDONET.ORG> <926@tardis.Tymnet.COM> <352@amgraf.UUCP> <5156@sugar.hackercorp.com> <5159@sugar.hackercorp.com> <9704@cbmvax.commodore.com> <5178@sugar.hackercorp.com> <22955@usc.edu> <5185@sugar.hackercorp.com> <22973@usc.edu> <5191 Sender: daemon@watdragon.waterloo.edu Distribution: na Organization: University of Waterloo, Waterloo, Ontario Lines: 25 In-reply-to: new@udel.edu's message of 22 Feb 90 23:55:15 GMT